2002 Hyundai Elantra break lights will not go out

SOURCE: 2002 Hyundai Elantra Check Engine

the error was resolved in the link below, please check the last post of Sith.

http://www.hyundai-forums.com/t28310-1997-elantra-code-p0455-help.htm

hope this will help you resolve th issue you have too.

SOURCE: How to reset the airbag light on a 2002 Hyundai Elantra?

helllllllo

PAUL MC G

• 1280 Answers
• Posted on Sep 10, 2009

SOURCE: 2003 hyundai elantra gls abs/tcs light on

unless you can discover what DTC (Diagnostic Trouble Code) has been recorded/set in the control module, it's anyone's guess.

Testimonial: "thankyou"

PAUL MC G

• 1280 Answers
• Posted on Nov 04, 2009

SOURCE: 2002 hyundai elantra radio and dome light not working

Then 1, bulbs are burned out
OR 2, the wiring is faulty.

Testimonial: "thanx for the solution. took the car to a repair shop and was told that the wiring was faulty. had the car rewired."

SOURCE: 2003 Hyundai Elantra GLS. Check engine light, code PO133

Did you use a aftermarket O2 sensor or a genuine Hyundai one? If it's an aftermarket one it may be bad or not as good as the OEM one. See here for more details and other potential causes: P0133